2112057122056 has 64 divisors (see below), whose sum is σ = 4612486394880. Its totient is φ = 888001669440.

The previous prime is 2112057122047. The next prime is 2112057122101. The reversal of 2112057122056 is 6502217502112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093890 + ... + 2328241.

It is an arithmetic number, because the mean of its divisors is an integer number (72070099920).

Almost surely, 2^{2112057122056} is an apocalyptic number.

It is an amenable number.

2112057122056 is an abundant number, since it is smaller than the sum of its proper divisors (2500429272824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112057122056 is a wasteful number, since it uses less digits than its factorization.

2112057122056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422354 (or 3422350 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 2112057122056 in words is "two trillion, one hundred twelve billion, fifty-seven million, one hundred twenty-two thousand, fifty-six".